<template>
  <div class="container">
    <div class="app-container">
      <el-tree
        :data="depts"
        :props="defaultProps"
        :default-expand-all="true"
        :expand-on-click-node="false"
        @node-click="handleNodeClick"
      >
        <template slot-scope="{data}">
          <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <!-- $event 实参 表示当前的事件对象-类型 -->
              <el-dropdown @command="hCommand($event, data.id)">
                <!-- 显示区域内容 -->
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <!-- 下拉菜单选项 -->
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
          <!-- <div>
            {{ data.name }}
          </div> -->

        </template>
      </el-tree>
      <!-- el-row , el-col -->
    </div>
    <!-- 添加子部门 -->
    <AddDept
      ref="dept"
      :is-edit="isEdit"
      :cur-node-id="curNodeId"
      :show-dialog.sync="showDialog"
      @updateManager="loadDepartment"
    />
  </div>
</template>
<script>
import { getDepartment, delDepartment } from '@/api/department'
import { arr2tree } from '@/utils/index'
import AddDept from './components/add-dept'
export default {
  components: {
    AddDept
  },
  data() {
    return {
      curNodeId: '',
      depts: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      isEdit: false, // 控制是编辑(为true)，还是添加
      showDialog: false // 控制 添加部门 的显示和隐藏
    }
  },
  created() {
    this.loadDepartment()
  },
  methods: {
    async doDel(id) {
      await delDepartment(id)

      this.$message.success('删除成功！')
      // 更新数据
      this.loadDepartment()
    },
    hCommand(type, id) {
      // console.log(type, id)
      // 保存当前的部门的id
      this.curNodeId = id

      if (type === 'add') {
        this.isEdit = false // 添加
        this.showDialog = true
      } else if (type === 'edit') {
        this.isEdit = true
        // 显示弹框
        this.showDialog = true

        this.$nextTick(() => {
          // 让子组件去发请求拿到详情数据
          this.$refs.dept.getDetail()
        })
      } else if (type === 'del') {
        this.$confirm('你确定要删除吗？').then(() => {
          // 用户点击了确认
          this.doDel(id)
        }).catch(() => {})
      }
    },
    async loadDepartment() {
      const res = await getDepartment()
      this.depts = arr2tree(res, 1)
    },
    test(node, data) {
      console.log(node, data)
    },
    handleNodeClick(data) {
      console.log(data)
    }
  }
}
</script>
<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 50px;
  display: inline-block;
  margin: 10px;
}
</style>
